>> for many years, we always had resistance with us. but for years, whenever it caught up, the drug companies would just come out with the next generation of antibiotic and the problem would be solved. we're no longer getting bailed out with new antibiotic development. >> couric: and families, like bill shields', are paying the price. >> seeing my dad on a ventilator is just-- it's a very difficult thing. >> our lives right now are very, very different than where they were a few weeks ago. >> couric: it's estimated tens of thousands of people are dying from these superbugs every year, but only half the states require hospitals to report infection rate. so public health officials fear the numbers may be even higher. jimmy carter, meanwhile, got out of the hospital today after being there two days for a viral infection. the former president turns 86 tomorrow, so we wish him a happy birthday. we'll be right back. y. >> couric: lightning may never strike the same place twice but you can strike it rich twice. just ask ernest pullen of bonne